what does bernard insist to lenina that he wants to feel

Bernard wants to feel like an individual..... he wants to feel separate from the social body.

But I do," he insisted. "It makes me feel as though …" he hesitated, searching for words with which to express himself, "as though I were more me, if you see what I mean. More on my own, not so completely a part of something else. Not just a cell in the social body. Doesn't it make you feel like that, Lenina?"